Missing mandatory parameter in the Inspector's CLI command

Attempts to execute this command will fail: npx @modelcontextprotocol/inspector --cli http://127.0.0.1:8000 --transport http. The error indicates that --method is a mandatory parameter: "Method is required. Use --method to specify the method to invoke. Failed with exit code: 1". That's why the right command may look like this: npx @modelcontextprotocol/inspector --cli http://127.0.0.1:8000 --transport http --method tools/list.
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Laziz Turakulov 2025-07-10 00:05:21 +01:00 • committed by GitHub
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@ -303,7 +303,7 @@ npx @modelcontextprotocol/inspector --cli node build/index.js --method prompts/l
npx @modelcontextprotocol/inspector --cli https://my-mcp-server.example.com
# Connect to a remote MCP server (with Streamable HTTP transport)
npx @modelcontextprotocol/inspector --cli https://my-mcp-server.example.com --transport http
npx @modelcontextprotocol/inspector --cli https://my-mcp-server.example.com --transport http --method tools/list
# Call a tool on a remote server
npx @modelcontextprotocol/inspector --cli https://my-mcp-server.example.com --method tools/call --tool-name remotetool --tool-arg param=value